31420030130243 has 16 divisors (see below), whose sum is σ = 31499336056320. Its totient is φ = 31340858922336.

The previous prime is 31420030130207. The next prime is 31420030130263. The reversal of 31420030130243 is 34203103002413.

It is a cyclic number.

It is not a de Polignac number, because 31420030130243 - 2⁸ = 31420030129987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31420030130263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1874359580 + ... + 1874376342.

It is an arithmetic number, because the mean of its divisors is an integer number (1968708503520).

Almost surely, 2^{31420030130243} is an apocalyptic number.

31420030130243 is a deficient number, since it is larger than the sum of its proper divisors (79305926077).

31420030130243 is a wasteful number, since it uses less digits than its factorization.

31420030130243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20506.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31420030130243 its reverse (34203103002413), we get a palindrome (65623133132656).

The spelling of 31420030130243 in words is "thirty-one trillion, four hundred twenty billion, thirty million, one hundred thirty thousand, two hundred forty-three".